81515776

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{16759}}^1$

素因数の和:16794

約数の個数: 36

約数和(自身を含む): 171287200

約数和(自身を除く): 89771424

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 16759, 33518, 67036, 134072, 268144, 318421, 536288, 636842, 1072576, 1273684, 2145152, 2547368, 4290304, 5094736, 10189472, 20378944, 40757888, 81515776]

約数ペア:

[(1, 81515776), (2, 40757888), (4, 20378944), (8, 10189472), (16, 5094736), (19, 4290304), (32, 2547368), (38, 2145152), (64, 1273684), (76, 1072576), (128, 636842), (152, 536288), (256, 318421), (304, 268144), (608, 134072), (1216, 67036), (2432, 33518), (4864, 16759)]